Indlela yokukhetha intambo kamabonwakude ye-antenna, yeyiphi intambo yeTV engcono

Intambo ye-antenna yeTV – indlela yokukhetha intambo yentambo kunye ne-TV yedijithali kunye nendlela yokudibanisa intambo ye-eriyali ngokuchanekileyo. Ukuze ubukele i-TV, awufuni kuphela umamkeli wethelevishini wangempela, kodwa kunye nokukwazi ukusebenzisa i-antenna ephezulu eya kubonelela ngomqondiso wethelevishini. Ukuze unikeze umqondiso kwiTV, udinga ikhebula elikhethekileyo. Ukuba ikhethwe ngokungalunganga okanye yonakele, ngoko umgangatho wokujonga awukwazi ukuqinisekiswa.
Intambo enjalo iya kudibaniswa kwi-antenna kwelinye icala, kunye nommkeli okanye iTV kwelinye.

Nangona ikhebula elihle lisetyenziswa, xa udibanisa, kufuneka uhlolisise umgangatho woqhagamshelwano. Kule meko, kufuneka kukhunjulwe ukuba ukulungelelaniswa okuxekethileyo, amabala amdaka okanye i-corrosion ye-corrosion inokunciphisa kakhulu umgangatho wesignali yethelevishini efunyenweyo.

Ukuze intambo kamabonwakude yenze imisebenzi yayo kakuhle, ibandakanya ezi zinto zilandelayo:

1. Ngaphakathi kukho ucingo olulodwa okanye izinto ezibandakanya ii-cores ezininzi. Kwezinye iimeko, ityhubhu yobhedu encinci ingasetyenziselwa oku.

2. Kukho umaleko we-insulation ngeenxa zonke, okwandisa amandla omatshini wentambo.
3. Emva koko kukho i-metal braid ebonelela ngokhuselo ekuphazamisekeni. Ingenziwa kwi-foil okanye ucingo oluncinci.
4. Kukho elinye iqokobhe elisebenza njengomqhubi wesibini.
5. Okulandelayo ngomnye umaleko okhuselayo.

Iintambo zeentlobo ezahlukeneyo zee-eriyali zicwangciswe ngendlela efanayo. Umahluko ulele kwiimpawu zezinto ezisetyenzisiweyo kunye neempawu zekhebula.

Iintlobo zeentambo zikamabonakude

Kukho iibrendi ezininzi eziqhelekileyo zeentambo. Oku kulandelayo yinkcazo yeempawu zabo.

SAT703

Le ntambo yeTV idibanisa umgangatho ophezulu wokuhambisa umqondiso kunye namandla abalulekileyo oomatshini. Ifanelekile ukudibanisa i-eriyali ekumgama weemitha ezingama-50. Intambo isetyenziselwa ukusebenza ngee-eriyali zangaphandle nangaphakathi. Inzuzo imalunga nama-80 dB. Le ntambo ifanelekile kwiimeko apho kufuneka kusetyenziswe i-splitter. Iqokobhe lenziwe ngepolyethylene kwaye linombala omhlophe.

UMKH 75

Le yintambo yaseRashiya. I-insulation yangaphandle yenziwe nge-polyvinyl chloride kwaye inikezela ngezinga eliphezulu lokukhusela ngexesha lokusetyenziswa. I-braid yenziwe ngobhedu olukhonkxiweyo. Kukho ukuchasana okuphezulu kwiimeko ezahlukeneyo zokushisa. Ikhebula lingasebenza kumaqondo obushushu ukusuka -60 ukuya +60 degrees. Ikhuselwe kwimitha ye-UV kwaye ayivakalelwa xa kunemvula. Enye yeenzuzo lixabiso elifikelelekayo.

DG 113

Ifanelekile ukusetyenziswa kunye naluphi na uhlobo lwe-eriyali – i-satellite, idijithali okanye i-terrestrial. Ukusetyenziswa kwe-hydrocarbon layer kwi-dielectric enegwebu inika ukhuseleko olunamandla lokufuma. Ukuqhekeka phantse akuze kwenzeke ngexesha lokusebenza ixesha elide. Umenzi ubanga ukuba ubomi benkonzo yekhebula ubuncinci iminyaka eyi-15. Ngokuqhelekileyo isetyenziselwa ukubeka ngaphandle.

Ukukhetha intambo ye-antenna kwiimeko ezahlukeneyo kunye namathuba

Ukukhetha intambo yeTV efanelekileyo, kufuneka uqale uhoye oku kulandelayo:

1. Kuyimfuneko ukuqwalasela uhlobo losasazo olufuna ukuthengwa – lwe-analog okanye idijithali.
2. Kufuneka wenze isigqibo sokuba zingaphi izixhobo oceba ukuzidibanisa ne-eriyali.
3. Kuya kunceda ukuba umniniyo uqala ukudweba i-cable layout kunye nokudibanisa kwayo kwizixhobo.
4. Kuyimfuneko ukuqwalasela apho i-antenna ikhona khona – kwigumbi, eludongeni lwangaphandle, ekungeneni okanye eluphahleni.
5. Kuyimfuneko ukuqwalasela ukuba isibonakaliso sikamabonwakude siya kuhanjiswa kangakanani phezu kwentambo. Ukuba ibalulekile, kunenzuzo ngakumbi ukuthenga ikhebula lomgangatho ophezulu.

Ukuze kuqinisekiswe uxhulumaniso oluphezulu, kuyimfuneko ukuba ukuchasana kwekhebula kube ubuncinane be-75 ohms.

I-sheath yangaphandle yekhebula ingenziwa nge-polyethylene okanye i-polyvinyl chloride. Kwimeko yokuqala imhlophe, okwesibini ibe mnyama. Ukuba i-eriyali ibekwe esitalatweni, leyo ene-PVC sheath idla ngokukhethwa. Ikhebula elinjalo libhekwa njengento ekhuselweyo ngakumbi kwimozulu embi. Nangona kunjalo, khumbula ukuba intambo ye-SAT 703 nayo ifanelekile kule njongo, nangona umaleko wayo okhuselekileyo owenziwe nge-polyethylene kwaye umhlophe. Intambo yeSAT 703:
Ubunzima beqokobhe bunika amandla anika ukuchasana nokugoba. Ukukhuselwa kumonakalo womatshini kunceda ukwandisa ubomi bekhebula. Kuyinzuzo ukusebenzisa ucingo lobhedu njengendawo engundoqo. Yamkelwa ngokubanzi ukuba ibonelela ngokugqithiselwa komqondiso ongcono kwaye ibonelela ngokhuseleko oluphezulu kumonakalo wengozi. Ezinye iinguqulelo zomthambo osembindini nazo zisetyenziswa ngokusebenzayo. Ubunzima bocingo kufuneka bube phakathi kwe-0.3 kunye ne-1.0 mm. Kukhethwa ukukhetha ucingo olunecandelo elikhulu lomnqamlezo. Oku kuya kunceda ukunciphisa ukuthotywa ngexesha lokuhanjiswa komqondiso. Xa ukhetha ubukhulu bekhebula, qwalasela oku kulandelayo. Umntu obhityileyo kulula ukubeka, njengoko unamandla okugoba. Kwimigama emifutshane, iya kukwazi ukubonelela ngokuhanjiswa komgangatho ophezulu. Ucingo olutyebileyo luya kufumana umqondiso olungileyo kwimigama emide, kodwa kuya kuba nzima ukugoba, nto leyo ngamanye amaxesha inokubangela iingxaki zendlela. Ukuba kuyimfuneko, unokufuna ukuthenga i-amplifier yomqondiso. Ukumisela ubude bekhebula, kukulungele ukusebenzisa umzobo owenziwe ngaphambili. Kuyimfuneko ukubala ubude obufunekayo kuyo. Kungcono ukuthenga ngomda omncinci. Oku kuyimfuneko, umzekelo, ukuba indawo yekhebula iguqulwa kamva okanye ukuba yonakaliswe ngengozi. Kungcono ukuthenga ngomda omncinci. Oku kuyimfuneko, umzekelo, ukuba indawo yekhebula iguqulwa kamva okanye ukuba yonakaliswe ngengozi. Kungcono ukuthenga ngomda omncinci. Oku kuyimfuneko, umzekelo, ukuba indawo yekhebula iguqulwa kamva okanye ukuba yonakaliswe ngengozi.

Indlela yokubeka intambo ye-eriyali kunye nokudibanisa i-eriyali

Ukwenza uqhagamshelo, kufuneka uqwalasele indawo ye-antenna. Kwiindawo zokuhlala ezidolophini, inokufumaneka eludongeni lwangaphandle lwendlu, ngaphakathi okanye phezu kophahla lwendlu. Kwimeko yokugqibela, sihlala sithetha ngee-eriyali ezilungiselelwe ukusetyenziswa ngokudibeneyo. Kwindlu yangasese, imeko iyafana – apha i-antenna inokufumaneka ngaphakathi kwendlu, eludongeni okanye eluphahleni lwayo. Ukuqhagamshela kwi-eriyali eqhelekileyo kwisakhiwo esineflethi:
Ukuze uqhagamshelane ne-eriyali, kufuneka ulungiselele oku kulandelayo:

1. Intambo yoqhagamshelwano.
2. I-F-connector inikeza uxhulumaniso olusemgangathweni lwekhebula kwi-antenna, engavumeli ukuphazamiseka kwesignali yethelevishini edlulisiweyo okanye ukubonakala kokuphazamiseka.
3. I-splitter iyadingeka kwiimeko apho kufuneka udibanise izixhobo ezininzi ezifumana isignali kamabonwakude kwi-antenna enye. I-splitter nganye inenani elithile lokudibanisa, elikhawulela inani eliphezulu lezixhobo ezixhunyiwe.
4. Isokethi ye-eriyali isenokusetyenziswa. Ukusetyenziswa kwayo kunenzuzo kwiimeko apho umnini efuna ukufihla iingcingo eludongeni.
5. Ijekhi ye-eriyali ibonelela ngoqhagamshelo lwentambo ngqo kwiTV. Ineziqhagamshelo ezimbini – enye yazo yenzelwe ukudibanisa i-F-connector yentambo, enye ihambelana nesidibanisi esiseTV okanye kwi-receiver.

Amalungu asebenzayo ukudibanisa intambo ye-eriyali:
Kwezinye iimeko, ukuba intambo ende kakhulu isetyenzisiwe, iya kuthoba isignali efunyenweyo, enciphisa umgangatho wokubukela umabonwakude. Kwimeko enjalo, kunenzuzo ukusebenzisa i-amplifier efanelekileyo. Xa i-eriyali ibekwe ngaphandle, inokuba sesichengeni sokubetha kombane. Ukufakela ukukhuselwa kombane kuya kunceda ukukhusela umonakalo kwimeko enjalo. Xa udibanisa kwi-antenna eqhelekileyo kwisakhiwo sezindlu, ngokuqhelekileyo kukho iziseko ezikhethekileyo kwi-switchboard kwi-stairwell yokudibanisa usebenzisa i-F-connector. Ukuba i-eriyali yakho isetyenzisiwe, intambo kufuneka ihanjiswe ngaphakathi. Indlela yokukrazula kunye nokudibanisa i-TV cable F isixhumi: https://youtu.be/QHEgt99mTkY Xa ucwangcisa, kufuneka uqwalasele ukucwangciswa kwendawo, inombolo kunye nendawo yabamkeli bakamabonakude. Umzekelo, ukuba kukho iiTV ezimbini kwindlu okanye indlu, ngoko ukubonisa iinkqubo kuya kufuneka usebenzise i-splitter, apho iintambo ziya kudibaniswa kwisixhobo ngasinye. Ukuba unomabonakude omnye, akukho mfuneko yakusebenzisa isahluli. Emva kokuba wenze isigqibo ngendawo, kufuneka uzobe umzobo we-wiring. Ukuba i-splitter isetyenzisiwe, kufuneka ibekwe kwindawo apho kuya kuba lula ukutsala iingcingo kumamkeli ngamnye. Xa ubeka intambo, oku kulandelayo kufuneka kuthathelwe ingqalelo: kufuneka ibekwe kwindawo apho kuya kuba lula ukutsala iingcingo kumamkeli ngamnye. Xa ubeka intambo, oku kulandelayo kufuneka kuthathelwe ingqalelo: kufuneka ibekwe kwindawo apho kuya kuba lula ukutsala iingcingo kumamkeli ngamnye. Xa ubeka intambo, oku kulandelayo kufuneka kuthathelwe ingqalelo:

1. Ukuba ukugoba okubukhali kwenziwa ngexesha lofakelo, oku kunokubangela umgangatho ombi wokubonisa kunye nomonakalo kwintambo. Iimeko ezinjalo zifanele ziphetshwe.
2. Ukujija kwandisa ithuba lokuphazamiseka. Oku kuya kunciphisa kakhulu umgangatho wophawu lukamabonakude olufunyenweyo.
3. Ubude bekhebula ubude, phezulu kucetyiswa ukuba ukhethe umgangatho wesignali. Ukuba idlula i-35 yeemitha, ngoko kufuneka usebenzise i-amplifier .
4. Umgangatho wonikezelo lwamandla udlala indima ebalulekileyo. Ukuba kukho amathuba aphezulu okunyuka kwamandla ngokukhawuleza apho intambo ibekwe khona, ngoko kufuneka usebenzise i-stabilizer.
5. Apho kukho imithombo yokushisa enamandla endlwini, kufuneka igwenywe xa ubeka ucingo. Ukuba sesichengeni sobushushu ixesha elide kunokunciphisa ukusebenza kwayo.
6. Abo basebenzisa i-drywall okanye iindonga ezifanayo kwigumbi kufuneka basebenzise ibhokisi ekhethekileyo yekhebula kwiimeko apho ukubekwa kwenzeka emva kwabo.
7. Iintambo zombane okanye izixhobo zombane zasekhaya ezinemisinga enamandla yokuhlasela kufuneka ziphetshwe. Ukuba uyaphula lo mgaqo, ngoko kuya kubakho ukuphazamiseka ekuhanjisweni komqondiso.
8. Kunconywa ukusebenzisa intambo enye yecandelo ngalinye. Ukuba uqhekezwe kwiinqununu ezininzi, umgangatho womsebenzi uya kuhla.

Emva kokuba ufakelo lwentambo lugqityiwe, kufuneka ujonge umgangatho womsebenzi ngokuvula iTV. Ukuba ukufakela kwenziwe ngokuchanekileyo, umgangatho wosasazo uya kuba mhle.